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137GW; Braun; Frankfurt (ID = 277144) Radio
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137GW; Braun; Frankfurt (ID = 1484723) Radio
Braun; Frankfurt: 137GW [Radio] ID = 1484723 600x540
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For model 137GW, Braun; Frankfurt:
Ebay-Verk.: toni_ghekko, ArtNr.: 350820811474
Country:  Germany
Manufacturer / Brand:  Braun; Frankfurt
Year: 1936–1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: CK1 CF7 CL4 CY1
Main principle Superhet, single span (BC/MW and LW in 1 band); ZF/IF 1540 kHz; Reaction
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage AC/DC-set / 110; 125; 150; 220; 240 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out 4 W (unknown quality)
from Model: 137GW - Braun; Frankfurt
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 420 x 283 x 310 mm / 16.5 x 11.1 x 12.2 inch
Notes Braun Einbereichssuper 137GW.
Spannungswahl durch unterschiedliche EU. Rückkopplung. Lautsprecher vom Ausgangstrafo primärseitig abschaltbar; Ausgang für 2. LS: 7000 Ohm; Bandbreiten- und Empfindlichkeitsregler; abschaltbare Interferenzsperre.
Price in first year of sale 222.00 RM
Source of data Handbuch WDRG 1937 / Radiokatalog Band 1, Ernst Erb
Circuit diagram reference Lange+Schenk+FS-Röhrenbestückung
Picture reference Das Modell ist im «Radiokatalog» (Erb) abgebildet.

All listed radios etc. from Braun; Frankfurt
Here you find 1040 models, 904 with images and 641 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.